Coolpad 52 16 keeps showing that the mobile phone card will be full. What does it mean to delete the card information?

The information is stored in the mobile phone card. If there is not enough space, you can use the cool cloud comment information to clear it. The operation steps of clearing SMS are as follows: Open the phone-SMS-Edit-Check the SMS to be deleted-Delete.

The specific operation steps are as follows:

Open the SMS file package on the mobile phone and enter the information interface.

2. Click the Edit button in the upper left corner of the message, and each short message will be followed by a gray check mark.

3. Select a short message and find that the word Delete at the bottom lights up. Click Delete.